care law. >> reporter: president obama is pushing to get more young people to sign up for health insurance. >> for your friends and your family, the most important source of information is not going to be me. it's going to be you. >> reporter: stopping by a white house youth summit, the president encouraged young adults to show their friends how to enroll. jessica brown is spreading the word on college campuses. >> young people are an important group among the uninsured. they're actually the largest bloc of uninsured. >> reporter: republicans held four separate hearings on the health care law wednesday and explored whether young people will sign up. >> if they're young and healthy, they're not going to spend thee or four days a week trying to get through a website for insurance when they find that they're going to have to pay more for it. >> reporter: georgia republican tom price is pushing his own health care legislation that he says is more attractive to young people. >> mr. president, here we are, we've got a better idea. so give me a call. >> reporter: under the affordable care act, th